package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * Create By huangxch on 2020/8/11
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set=new HashSet<>();
    //初始化方法
    @Override
    public void initialize (ListValue constraintAnnotation) {
        int[] values=constraintAnnotation.values();
        for(int val:values){
            set.add(val);
        }
    }
    //判断是否校验成功

    /**
     *
     * @param integer 需要校验的值
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid (Integer integer, ConstraintValidatorContext constraintValidatorContext) {

        return set.contains(integer);
    }
}
